US Bridges

Inkster Road over Rouge River

Poor

Oakland County, Michigan · 0.1 MI N of 14 Mile Road · Structure no. 000000000014030

Built
1963
62 years old
Condition
Poor
inspected January 2025
Type
Culvert
Steel
Length
24 ft
2 main spans
Daily traffic
5,814
2023 count
Owner
County
County Highway Agency

About this bridge

Inkster Road over Rouge River is a steel culvert carrying Inkster Road over Rouge River in Oakland County, Michigan. It was built in 1963, so it is 62 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 5,814 vehicles a day, roughly 1% of them trucks, projected to reach 7,830 by 2043. The structure is 24 ft (7.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesInkster Road
CrossesRouge River
Location0.1 MI N of 14 Mile Road
RouteCounty Highway 0
Coordinates42.52833, -83.32331
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJanuary 2025
Inspection intervalevery 6 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,814 (2023)
Projected traffic7,830 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Inkster Road over Rouge River built?

It was built in 1963, making it 62 years old in 2025.

What condition is Inkster Road over Rouge River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does Inkster Road over Rouge River carry?

About 5,814 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Inkster Road over Rouge River?

The structure is 24 ft (7.2 m) long with a longest span of 10 ft (3.1 m).

Who owns Inkster Road over Rouge River?

It is owned by the County Highway Agency.